Grounding lightning protection comprehensive distribution box

Abstract

The utility model discloses a grounding lightning protection comprehensive distribution box, which comprises a box body and a door plate movably connected on the box body, the box body comprises a back plate, side plates, a top cover and a base, a grounding bar is arranged at the lower part in the box body, the grounding bar comprises a base body part, extension parts are arranged at two sides of the base body part, and the extension parts are connected with the back plate. A first mounting part is arranged on one side, away from the base part, of the extension part; the base part is parallel to the back plate, and the first mounting part is laid close to the side plate; a first through hole is formed in the base body part, the opening direction of the first through hole faces the back plate, and the base body part penetrates through the first through hole through a fastener to be connected to the back plate; a second through hole is formed in the first mounting part, the opening direction of the second through hole faces the top cover, and a fastener is connected to the second through hole. According to the distribution box, internal grounding wiring is neat and clear, later maintenance and management are facilitated, the wall-attached arrangement of the grounding bars effectively reduces the risk of phase-to-ground short circuit, and the use safety of the distribution box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a distribution box technical field, concretely relates to a grounding lightning protection comprehensive distribution box. BACKGROUND

[0002] The distribution box is a kind of electrical equipment, with the characteristics of small volume, easy installation, special technical performance, fixed position, unique configuration function, not restricted by site, high space utilization, less land occupation and environmental protection effect, it is mainly assembled according to the requirements of electrical wiring in closed or semi-closed metal cabinet or screen panel, its normal operation can guarantee the safety and stability of circuit, and it is crucial for the normal operation of various buildings and facilities.

[0003] In distribution box engineering construction, distribution box grounding is a common distribution box protection measure, which can effectively improve the safety performance of distribution box. The existing grounding lightning protection structure in the distribution box is usually a horizontally arranged grounding copper bar arranged at the center of the lower side, and various grounding devices or components are connected to the end seat of the grounding copper bar, but there are the following defects: the grounding wire position is in the middle area of the lower part of the box body, which causes the grounding wire in the box body to be messy and inconvenient for later maintenance;And if the power circuit conductor falls, it is easy to cause phase-ground short circuit accident.

[0004] Therefore, it is urgent to provide a grounding lightning protection comprehensive distribution box to overcome the technical defects of the existing distribution box grounding. SUMMARY

[0005] To solve the above problems, the technical scheme provided by the utility model is:

[0006] A grounding lightning protection comprehensive distribution box, comprising a box body and a door plate movably connected to the box body, the box body comprises a back plate, side plates located on both sides of the back plate, a top cover located at the top of the back plate and a base located at the bottom of the back plate, a grounding bar is arranged below the inside of the box body, the grounding bar comprises a base part, the two sides of the base part are provided with extension parts, and the first mounting part is arranged on the side away from the base part of the extension part;The base part is parallel to the back plate, and the first mounting part is laid close to the side plate;A first through hole is formed in the base part, the opening direction of the first through hole faces the back plate, and the base part is connected to the back plate by a fastener passing through the first through hole;A second through hole is formed in the first mounting part, the opening direction of the second through hole faces the top cover, and a fastener is connected to the second through hole.

[0007] The utility model further sets up that the base part and the extension part are provided with a bending part, and the bending part is perpendicular to the base part and the extension part respectively.

[0008] The utility model further provides the second installation part is equipped with the third through -hole on, the third through -hole's hole direction is toward the top cover, the third through -hole is connected with the fastener.

[0009] The utility model further provides corner place inside the box body is equipped with vertical section bar, the backboard is equipped with horizontal installation section bar, the side board is equipped with longitudinal installation section bar, the horizontal installation section bar with the longitudinal installation section bar all with vertical section bar perpendicular to each other.

[0010] The utility model further provides the first installation part is located the longitudinal installation section bar's directly below, the second installation part is located the horizontal installation section bar's directly below.

[0011] The utility model further provides the longitudinal installation section bar on close to the second installation part is equipped with lightning arrester, the lightning arrester is connected on the second installation part through the soft connection line.

[0012] The utility model further provides the box body inside is equipped with the baffle, the baffle is connected on the vertical section bar.

[0013] The utility model further provides the side board is equipped with the intercommunication flap.

[0014] The utility model further provides the top cover's upper is equipped with a plurality of lifting rings.

[0015] The utility model further provides the lower part of door board is equipped with the heat dissipation slot.

[0016] The utility model discloses the technical scheme provided by the prior art has the following beneficial effects compared to:

[0017] The utility model discloses the technical scheme provided by the prior art has the following beneficial effects compared to: ACCURATE DRAWINGS

[0018] Figure 1 It is the three-dimensional view of the power distribution box of the utility model embodiment.

[0019] Figure 2 It is the three-dimensional view of the power distribution box of the utility model embodiment after removing the cabinet door.

[0020] Figure 3The utility model discloses an embodiment grounding bar three-dimensional view.

[0021] Figure 4 The utility model discloses an embodiment distribution box internal partial schematic view. Specific implementation

[0022] For further understanding the content of the utility model, combining with the embodiment of the utility model makes the detailed description.

[0023] It needs to be explained that the embodiment in the utility model and the feature in the embodiment can be combined mutually in the case of not conflicting.

[0024] In the description of the utility model, it needs to be explained that unless another explicit provision and limitation, the term "mount", "link", "connect" should do the broad sense understanding, for example, can be fixed connection, integrally connected, also can be detachable connection, can be mechanical connection or electric connection, also can be the intercommunication of two elements, can be directly connected, also can be indirectly connected through the intermediate medium, for the ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term according to the specific situation.

[0025] Combining with the Figure 1 to the Figure 4 , the utility model technical scheme is a kind of grounding lightning protection comprehensive distribution box, including box body 1 and the door plate 2 of active connection in the box body 1, the box body 1 includes back plate 11, the side plate 12 located in the back plate 11 both sides, the top cover 13 located in the back plate 11 top and the base 14 located in the back plate 11 bottom, the lower portion of the inside of the box body 1 is equipped with grounding bar 3, the grounding bar 3 includes base portion 31, the both sides of the base portion 31 are equipped with extension 32, the first mounting portion 33 is equipped on the side away from the base portion 31 of the extension 32;The base portion 31 is parallel to the back plate 11, and the first mounting portion 33 is laid close to the side plate 12;First through-hole 311 is formed in the base portion 31, and the opening direction of the first through-hole 311 is towards the back plate 11, and the base portion 31 is connected to the back plate 11 by fastener 4 passing through the first through-hole 311;Second through-hole 331 is formed in the first mounting portion 33, and the opening direction of the second through-hole 331 is towards the top cover 13, and the second through-hole 331 is connected with fastener 4.

[0026] In the embodiment, the distribution box must be grounded: metal box, lightning arrester and other electrical components. The base portion 31 of the grounding bar 3 is directly connected with the back plate 11 of the box body 1 to realize the grounding of the box body 1, and the first mounting portion 33 of the grounding bar 3 is used for grounding with the lightning arrester and other electrical components in the box.

[0027] In the present embodiment, as shown in the attached Figure 3 The opening direction of the first through hole 311 is the X-axis direction, and the opening direction of the second through hole 331 is the Z-axis direction.

[0028] In the present embodiment, a bending portion 34 is arranged between the base portion 31 and the extension portion 32, and the bending portion 34 is perpendicular to the base portion 31 and the extension portion 32, respectively. The bending portion 34 is arranged to adapt to the inner wall structure of the cabinet body 1, so that the overall structure of the grounding row 3 is attached to the inner wall of the cabinet body 1.

[0029] In the present embodiment, a second mounting portion 35 is arranged on the upper edge of the base portion 31 close to the bending portion 34, a third through hole 351 is arranged on the second mounting portion 35, the opening direction of the third through hole 351 is towards the top cover 13, and a fastener 4 is connected to the third through hole 351. As shown in the attached Figure 3 The opening direction of the third through hole 351 is the Z-axis direction. In order to distinguish the wiring area of the lightning arrester and other electrical elements, the second mounting portion 35 is arranged on the base portion 31, that is, the first mounting portion 33 is used for the grounding of the lightning arrester, and the second mounting portion 35 is used for the grounding of other electrical elements, including the secondary winding of the transformer, the motor, the transformer, the electrical appliance, the illuminator, etc.

[0030] In the present embodiment, a vertical profile 5 is arranged at the corner inside the cabinet body 1, a horizontal mounting profile 6 is arranged on the back plate 11, and a longitudinal mounting profile 7 is arranged on the side plate 12. The horizontal mounting profile 6 and the longitudinal mounting profile 7 are perpendicular to the vertical profile 5.

[0031] In the present embodiment, the first mounting portion 33 is located directly below the longitudinal mounting profile 7, and the second mounting portion 35 is located directly below the horizontal mounting profile 6.

[0032] In the present embodiment, as shown in the attached Figure 4 The lightning arrester 8 is arranged on the longitudinal mounting profile 7 close to the second mounting portion 35, and the lightning arrester 8 is connected to the second mounting portion 35 through a soft connection wire.

[0033] In the present embodiment, a partition plate 9 is arranged inside the cabinet body 1, and the partition plate 9 is connected to the vertical profile 5.

[0034] In the present embodiment, a communication flap 15 is arranged on the side plate 12, which is used to collect the grounding wires of other power distribution cabinets into the comprehensive power distribution box, or to collect the grounding wires of the comprehensive power distribution box out to the grounding bus.

[0035] In this embodiment, a plurality of lifting rings 16 are provided above the top cover 13 for lifting and transporting the box.

[0036] In this embodiment, a heat dissipation slot 21 is provided at the lower portion of the door panel 2 for ventilation and heat dissipation when the box is in operation.

[0037] In the technical solution of this embodiment, the base and mounting portion of the grounding bar in the distribution box are fitted onto the back panel and side panels, and the base portion is directly electrically connected to the box body through fasteners. No additional wiring is required to ground the metal shell. The electrical components inside the box that need to be grounded can be wired along the inner wall of the box to the mounting portion, making the internal grounding wiring neat and clear, and convenient for later maintenance and management. The wall-mounted layout of the grounding bar effectively reduces the risk of phase-to-ground short circuit and improves the safety of the distribution box.

[0038] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the inventive purpose of the present invention, designs a structure and embodiment similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A ground lightning protection integrated distribution box, comprising a box body and a door plate movably connected to the box body, the box body comprising a back plate, side plates located on both sides of the back plate, a top cover located at the top of the back plate, and a base located at the bottom of the back plate, characterized in that, The lower part of the box body is provided with a grounding row, the grounding row comprises a base body part, both sides of the base body part are provided with extension parts, the first mounting part is arranged on the side away from the base body part; the base body part is parallel to the back plate, and the first mounting part is arranged close to the side plate; the base body part is provided with a first through hole, the opening direction of the first through hole is towards the back plate, and the base body part is connected to the back plate through the first through hole by a fastener; the first mounting part is provided with a second through hole, the opening direction of the second through hole is towards the top cover, and the second through hole is connected with a fastener.

2. The integrated grounding lightning protection distribution box according to claim 1, characterized in that, The base body part and the extension part are provided with a bending part, and the bending part is perpendicular to the base body part and the extension part.

3. The integrated grounding and lightning protection distribution box according to claim 2, characterized in that, The upper edge of the base body part is provided with a second mounting part close to the bending part, the second mounting part is provided with a third through hole, the opening direction of the third through hole is towards the top cover, and the third through hole is connected with a fastener.

4. The integrated grounding and lightning protection distribution box according to claim 3, characterized in that, The corner of the box body is provided with a vertical profile, the back plate is provided with a horizontal mounting profile, and the side plate is provided with a vertical mounting profile; the horizontal mounting profile and the vertical mounting profile are perpendicular to the vertical profile.

5. The integrated grounding and lightning protection distribution box according to claim 4, wherein, The first mounting part is located directly below the vertical mounting profile, and the second mounting part is located directly below the horizontal mounting profile.

6. The integrated grounding and lightning protection distribution box of claim 4, wherein, The vertical mounting profile close to the second mounting part is provided with a lightning arrester, and the lightning arrester is connected to the second mounting part through a flexible connecting wire.

7. The integrated grounding and lightning protection distribution box of claim 4, wherein, The box body is provided with a partition plate, and the partition plate is connected to the vertical profile.

8. The integrated grounding and lightning protection distribution box according to any one of claims 1 to 7, characterized in that, The side plate is provided with a communication flap.

9. The integrated grounding and lightning protection distribution box according to any one of claims 1 to 7, characterized in that, The top of the top cover is provided with a plurality of lifting rings.

10. The integrated grounding and lightning protection distribution box according to any one of claims 1 to 7, characterized in that, The lower part of the door plate is provided with a heat dissipation slot.

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